Quality modeling for the medium grain scalability option of H.264/SVC

Authors:
Michele Cesari;Lorenzo Favalli;Marco Folli
Affiliations:
Universitá degli studi di Pavia, Pavia, Italy;Universitá degli studi di Pavia, Pavia, Italy;Universitá degli studi di Pavia, Pavia, Italy
Venue:
Proceedings of the 5th International ICST Mobile Multimedia Communications Conference
Year:
2009

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Abstract

Rate vs. quality is a crucial trade off not only for efficient video coding and transmission but also for adaptive transmission strategies in wireless networks and/or congestion-prone networks. Scalable coders are well suited to tackle the time-varying capacities of these environments. In this paper we propose a semi-analytical model suitable for the medium grain scalable option of the H.264 standard and discuss the parameters influencing its performance. Results show it can effectively be used to represent the expected rate for different quality layers and thus its applicability to algorithms for resource optimization.